Fix #30876, #30932: crash in material preview render after undo or file load,
authorBrecht Van Lommel <brechtvanlommel@pandora.be>
Fri, 13 Apr 2012 12:12:54 +0000 (12:12 +0000)
committerBrecht Van Lommel <brechtvanlommel@pandora.be>
Fri, 13 Apr 2012 12:12:54 +0000 (12:12 +0000)
commit44258c3c9a7e279832e8b01975f9ba7b91e15688
tree2df1840660a382b9985bc7a0b3ab8af25537ff45
parent3578a93eb830002b41925a769e180bad77764ed2
Fix #30876, #30932: crash in material preview render after undo or file load,
due to old material copies hanging around in the preview database.

This crash happened pretty randomly, but was especially noticeable when using
node groups.
source/blender/editors/render/render_preview.c